class_docstr: Shuffling implements a shuffling algorithm. Items can be added to the shuffling buffer and removed in a
  different order as defined by the concrete shuffling algorithm. A shuffling buffer is intended to be used from
  a single thread, hence, not thread safe.
docstr: Checks the state of the buffer and returns whether an item can be removed from the buffer..
  
  :return: A boolean indicating whether an item can be returned from the buffer at the time.
docstr_tok: ["Checks","the","state","of","the","buffer","and","returns","whether","an","item","can","be","removed","from","the","buffer","..",":","return",":","A","boolean","indicating","whether","an","item","can","be","returned","from","the","buffer","at","the","time","."]
code: def can_retrieve(self):
      """Checks the state of the buffer and returns whether an item can be removed from the buffer..
  
      :return: A boolean indicating whether an item can be returned from the buffer at the time.
      """
  
imports: import abc
  from collections import deque
  import numpy
  import six
label_desc: Use image node_id 4 for calling the ShufflingBufferBase obj's underlying member method code with example usage: obj.can_retrieve() without return types